<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      v-loading="formLoading"
    >
      <el-form-item>
        <el-input v-model="formData.title" />
      </el-form-item>
      <el-form-item>
        <el-input v-model="formData.content" :rows="6" type="textarea" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  time: undefined,
  title: undefined,
  content: undefined,
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, obj?: object) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (obj) {
    formData.value = Object.assign(formData.value,obj)
    formLoading.value = false
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 保存表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  if (!formRef) return
  formLoading.value = true
  try {
    if(formType.value == 'create') {
      if(formData.value.title && formData.value.content) {
        formData.value.time = new Date().getTime()
        message.success('保存成功！')

      }else {
        message.error('请填写快捷问答！')
        return
      }
    }else {
      message.success('已修改！')
    }
    emit('success',formData.value)
    dialogVisible.value = false
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    time: undefined,
    title: undefined,
    content: undefined,
  }
}
</script>
